21880451579

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{426611}}^1$

素因数の和:427066

約数の個数: 16

約数和(自身を含む): 26538679296

約数和(自身を除く): 4658227717

約数列:

[1, 7, 17, 119, 431, 3017, 7327, 51289, 426611, 2986277, 7252387, 50766709, 183869341, 1287085387, 3125778797, 21880451579]

約数ペア:

[(1, 21880451579), (7, 3125778797), (17, 1287085387), (119, 183869341), (431, 50766709), (3017, 7252387), (7327, 2986277), (51289, 426611)]